BS EN 2576:2020 pdf free.Aerospace series - Bolts, MJ threads, in heat resisting steel FE-PA2601 threads一Part 2: Limit dimensions for bolts and nuts ISO 7961, Aerospace一Bolts 一Test methods ASTM E 112, Standard Test Methods for Determining Average Grain Size3.The purpose of acceptance inspections and tests is to check, as simply as possible, by a method representative of actual use conditions,...